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Siehe Technische Spezifikationen

AT87251G2D-SLSUM +BOM

Product AT87251G2D-SLSUM is equipped with a C251 8x251 Microcontroller IC

Hersteller:

Microchip Technology
Herstellerteil #:

AT87251G2D-SLSUM
Datenblatt:

AT87251G2D-SLSUM Datenblatt (PDF)
Series:

8x251
Programmabe:

Not Verified
Core Processor:

C251
Core Size:

8/16-Bit
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an AT87251G2D-SLSUM

AT87251G2D-SLSUM Allgemeine Beschreibung

Moreover, this microcontroller comes in a compact 40-pin PDIP package, making it a suitable choice for space-constrained applications. Its low power consumption, coupled with power-saving modes, ensures optimal energy efficiency, making it an environmentally friendly option

Hauptmerkmale

Pin and Software Compatibility with Standard 80C51 Products and 80C51Fx/Rx/Rx+
Plug-In Replacement of Intel’s 8xC251Sx
C251 Core: Intel’s MCS®251 D-step Compliance
40-byte Register File
Registers Accessible as Bytes, Words or Dwords
Three-stage Instruction Pipeline
16-bit Internal Code Fetch
Enriched C51 Instruction Set
16-bit and 32-bit ALU
Compare and Conditional Jump Instructions
Expanded Set of Move Instructions
Linear Addressing
1 Kbyte of On-Chip RAM
External Memory Space (Code/Data) Programmable from 64 kilobytes to 256 kilobytes
TSC87251G2D: 32 kilobytes of On-Chip EPROM/OTPROM
– SINGLE PULSE Programming Algorithm
TSC83251G2D: 32 kilobytes of On-Chip Masked ROM
TSC80251G2D: ROMless Version
Four 8-bit Parallel I/O Ports (Ports 0, 1, 2 and 3 of the Standard 80C51)
Serial I/O Port: Full Duplex UART (80C51 Compatible) With Independent Baud Rate Generator
SSLC: Synchronous Serial Link Controller
TWI Multi-master Protocol
μWire and SPI Master and Slave Protocols
Three 16-bit Timers/Counters (Timers 0, 1 and 2 of the Standard 80C51)
EWC: Event and Waveform Controller
Compatible with Intel’s Programmable Counter Array (PCA)
Common 16-bit Timer/Counter Reference with Four Possible Clock Sources (Fosc/4, Fosc/12, Timer 1 and External Input)
Five Modules, Each with Four Programmable Modes:
– 16-bit Software Timer/Counter
– 16-bit Timer/Counter Capture Input and Software Pulse Measurement
– High-speed Output and 16-bit Software Pulse Width Modulation (PWM)
– 8-bit Hardware PWM Without Overhead
16-bit Watchdog Timer/Counter Capability
Secure 14-bit Hardware Watchdog Timer
Power Management
Power-On Reset (Integrated on the Chip)
Power-Off Flag (Cold and Warm Resets)
Software Programmable System Clock
Idle Mode
Power-down Mode
Keyboard Interrupt Interface on Port 1
Non Maskable Interrupt Input (NMI)
Real-Time Wait States Inputs (WAIT#/AWAIT#)
ONCE Mode and Full Speed Real-time In-circuit Emulation Support (Third Party Vendors)
High Speed Versions:
– 4.5V to 5.5V
– 16 MHz and 24 MHz
Typical Operating Current: 35 mA at 24 MHz 24 mA at 16 MHz
Typical Power-down Current: 2 μA
Low Voltage Version:
– 2.7V to 5.5V
– 16 MHz
Typical Operating Current:11 mA at 3V
Typical Power-down Current: 1 μA
Temperature Ranges: Commercial (0°C to +70°C), Industrial (-40°C to +85°C), Automotive ((-40°C to +85°C) ROM only)
Option: Extended Range (-55°C to +125°C)
Packages: PDIL 40, PLCC 44 and VQFP 44
Options: Known Good Dice and Ceramic Packages

Spezifikationen

Series	8x251	Programmabe	Not Verified
Core Processor	C251	Core Size	8/16-Bit
Speed	24MHz	Connectivity	EBI/EMI, I2C, Microwire, SPI, UART/USART
Peripherals	POR, PWM, WDT	Number of I/O	32
Program Memory Size	32KB (32K x 8)	Program Memory Type	OTP
RAM Size	1K x 8	Voltage - Supply (Vcc/Vdd)	4.5V ~ 5.5V
Oscillator Type	Internal	Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount	Base Product Number	AT87251G2D

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